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authorYan, Zheng <zyan@redhat.com>2020-03-10 19:34:19 +0800
committerIlya Dryomov <idryomov@gmail.com>2020-03-30 12:42:43 +0200
commit42d70f8e31dfd3b795259b0d5c7ff4d4b45c24fd (patch)
tree1e88c9bfc065fe8df6e6e75539c2cee8860252c8
parent546d402085d6ea3c13bdea62a98b48a53c18eed4 (diff)
downloadlinux-42d70f8e31dfd3b795259b0d5c7ff4d4b45c24fd.tar.bz2
ceph: request new max size only when there is auth cap
When there is no auth cap, check_max_size() can't do anything and may cause an infinite loop inside ceph_get_caps(). Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
-rw-r--r--fs/ceph/caps.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 78a305068cac..086bb3adc08a 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2582,7 +2582,7 @@ again:
dout("get_cap_refs %p endoff %llu > maxsize %llu\n",
inode, endoff, ci->i_max_size);
if (endoff > ci->i_requested_max_size)
- ret = -EFBIG;
+ ret = ci->i_auth_cap ? -EFBIG : -ESTALE;
goto out_unlock;
}
/*